When Rowan’s Arctic research team pulls a strange object out of the ice in Northern Canada, things start to go wrong. Rescued by a covert, black ops team, she finds herself in the powerful arms of a man with scary gold eyes. A man who vows to do everything and anything to protect her. Dr. Rowan Schafer has learned it’s best to do things herself and not depend on anyone else. Her cold, academic parents taught her that lesson. She loves the challenge of running a research base, until the day her scientists discover the object in a retreating glacier.

When sweet, smiling Kinsey is kidnapped by unknown forces, former SEAL and Team 52 operator Smith Creed will risk anything to get her back. Kinsey Beck is used to life knocking her down. She escaped her past and came to Las Vegas for a new start. So what if she didn’t achieve her dream of being a showgirl, instead, she now has an awesome job as logistics manager for the covert, black ops Team 52. She loves all the team…especially big, gruff mountain man Smith, even if he isn’t interested in her the way she’d like. 

Blair Mason is badass to the bone. She's no stranger to loss and barely survived the mission that ended her military career. Now, as part of Team 52, she never shies away from a fight to ensure pieces of powerful ancient technology don't fall into the wrong hands. Unfortunately, she's often forced to "liaise" with the team's contact at the Las Vegas Metropolitan Police. The tall, hard-bodied detective ignites her temper quicker than any man she's ever known...and after a terrible massacre, she's horrified to find that she and MacKade are being ordered to work together.

After Dr. Ty Sampson catches a mysterious female intruder in his home and lab, he’s obsessed with finding out who she is and what she wants. He’s a man who trusts very few people and hates anyone in his space. His role as Team 52’s lead scientist brings him into contact with a host of powerful, ancient artifacts, so he knows the woman must be after something dangerous, and he refuses to let her succeed. 

Former naval intelligence officer Brooks Jameson might have lots of muscles and ink, but he’s a proud geek. He loves computers and his job - taking care of all things tech for his covert, black ops team of badasses: Team 52. But when he finds himself snatched off a Las Vegas street and in the hands of some very bad people who are after a powerful, dangerous artifact, he knows he’s in a fight for survival. Then, his teammate Callie Kimura - gorgeous and way-out-of-his-league - strides through the door to rescue him.

Genius computer geek Wren Traynor prefers her high-tech comp lab to socializing with people, and she definitely prefers it over crawling through the bowels of the huge Eon warship she's hijacked. When Earth's Space Corps blackmails her into this deadly mission, Wren will do anything to help her beloved sisters and save the Earth from invasion by the insectoid Kantos aliens. That includes entering into a dangerous game of cat and mouse with the tall, hunky, and seriously enraged Eon war commander who captains the Rengard. 

Sub-Captain Eve Traynor knows a suicide mission when she sees one. With deadly insectoid aliens threatening to invade Earth, the planet's only chance of survival is to get the attention of the fierce Eon Warriors. But the Eon want nothing to do with Earth, and Eve wants nothing to do with abducting War Commander Davion Thann-Eon off his warship. But when Earth's Space Corps threaten her sisters, Eve will do anything to keep them safe, even if it means she might not make it back.

In a world gone to hell, Elle Milton - once the darling of the Sydney social scene - has carved a role for herself as the communications officer for the toughest commando team fighting for humanity's survival - Hell Squad. It's her chance to make a difference and make up for horrible past mistakes, despite the fact that its battle-hardened commander never wanted her on his team.

Avery Nelson never imagined she’d find herself a hostage in Afghanistan. She isn’t the kind of woman to sit in a corner and cry, but she can’t deny it’s a welcome relief when the Navy SEAL she’s secretly been crushing on back in California suddenly appears to help her out. Cole “Rex” Kingston has saved his fair share of women over his time as a SEAL, but no mission has ever seemed as important as the one to find nurse Avery Nelson. 

As an event planner, Gillian Romano’s an expert at rolling with the punches and solving unexpected problems. But her flight getting hijacked while returning from a job is definitely out of her skill set. Passengers are being murdered, and when she’s chosen by the terrorists to be their mouthpiece, even more innocent lives rest on Gillian’s shoulders. Only the calm, reassuring voice on the other end of the line keeps her sane, forging a bond with a stranger she’s never seen but trusts with her life.

Battle-hardened soldier Cruz Ramos is running on empty. As second-in-command of the deadliest commando squad fighting the invading aliens, he doesn't know why he's fighting anymore. He's seen too much destruction, devastation, and far too much death. Still, every day he goes out to protect those humans left, and every day the growing numbness threatens to take over.

Hell Squad sniper Shaw Baird is a man on a mission. His squad is his family and now the invading aliens have done the unforgivable...taken one of his team. Claudia Frost - soldier, friend, and all-around badass - is running on borrowed time. Shaw has vowed to bring her home, whatever it takes...and he's only just realizing now she's been taken that Claudia is a vital piece of him.

Hell Squad soldier Gabe Jackson has lost everything that mattered, including his twin brother. Now he just wants to kill the invading aliens anyway he knows how...and he knows a lot of ways. Previously part of a secret Army super-soldier project, he's faster, stronger, deadlier...but on the inside, he's a mass of rage, and pain, and grief - all waiting for a chance to drag him under. Until he finds her.

Long, tall, and deadly Morgan Kincaid enjoys her job at Treasure Hunter Security. Raised by a tough Marine father, she loves her guns and knives, and never backs down from a fight. She's yet to find a man who can keep up with her and after a string of first dates, she's not feeling hopeful. Assigned to an underwater archeological expedition on the trail of a long-lost shipwreck, Morgan finds herself protecting the very hard, delicious body of a certain globe-trotting archeologist: a smart rogue with a wide smile and a boat-load of charm.

The battle of survival against the invading aliens heats up...but Hell Squad never quits. As Laura helps Noah on his project, the two are drawn irresistibly together. As they head into the desert with Hell Squad on a mission to a hidden alien outpost, sparks fly and a passionate desire is uncovered. Both are holding onto past hurts, scared to take the risk of loving again...but when the unthinkable happens, it changes everything...and Laura and Noah must find the power to save themselves, their friends, and their love.