Now private investigators, Manhattan Sloane and Finn Harper have just landed their very first big job - a contract to clean up a hefty load of unsolved crimes in San Francisco. On day one, the two women step into a political quagmire that pits them against powerful competing forces in the city. Feeling like a pawn in a high-stakes chess game, Sloane stumbles across an unsolved murder with ties to her past - the police officer who rescued her from her parents' deadly accident.

Newly minted San Francisco police detective Manhattan Sloane lets no one get close. Especially lovers. Sloane has her reasons for keeping the world at arm's length. But then her first childhood crush, DEA Agent Finn Harper, reappears and changes everything. Harper has arrived in San Francisco to investigate a new street drug weaving its way into the city - a drug that has personal ties for Sloane. The two find themselves thrown together as they team up to take down a ruthless cartel lord. Soon, sparks fly as old feelings surface.

Avery Weston is doing fine. Sure, she’s not doing as fine as her ex - award-winning actress and current television it girl Elise Hayes - but Avery enjoys her work as a federal air marshal and also enjoys almost being over Elise walking out on their relationship 15 months ago. Then Elise is seated next to her on a flight, and the emotional progress Avery thought she’d made is reset in an instant.

Half a million dollars will be Celeste Thorne’s reward for spending four years of her life in total isolation. No faces. No voices. No way to leave. Since Celeste has never really worried about being alone, the generous paycheck she’ll receive for her participation in the solitary psychological experiment seems like easy money. When she finds an injured hiker in the woods bordering her living compound, her strictly governed world is thrown into disarray.

Caroline Parker knows three things to be true. First, she is going to be Boston's most sought-after divorce attorney by 35. Second, given how terrible her romantic track record is, falling in love isn't in the cards for her. And third, Christmas only brings her bad luck - being broken up with not once, not twice, but three times during the holidays is proof enough of that. When she runs into Hannah Dalton on Christmas Eve, she has no reason to believe her luck will change. After all, though Hannah is probably the most gorgeous woman she's ever seen, she's also straight.