Sexy New York detective and single mother Harlee Santos fell in with a tight-knit group of dirty cops, taking bribes and protection money that she uses to provide the best life for her honest, talented daughter. But when she\'s trapped by the FBI and forced to inform on her own \"brothers,\" she\'ll have to walk the fine line between love, loyalty, honor and betrayal, and try to keep it together for her daughter\'s future.
Stef Foster, a dedicated police officer, and her partner Lena Adams, a school vice principal, have built a close-knit, loving family with Stef\'s biological son from a previous marriage, Brandon, and their adopted twins, Mariana and Jesus. Their lives are disrupted in unexpected ways when Lena meets Callie, a hardened teen with an abusive past who has spent her life in and out of foster homes. Lena and Stef welcome Callie and her brother, Jude, into their home thinking it\'s just for a few weeks, until a more permanent placement can be found. But life has something else in store for the Fosters.