In the 1940s, Rosa Diaz is a former cop turned hard boiled private detective. She's perfectly happy working alone, at least until a new transfer to the Nine Nine turns up on her doorstep. Amy Santiago needs Rosa's help to solve a case, committed by the same man who got Rosa thrown off the force. But Amy might end up stealing Rosa's heart...

The Kane's family fortune is in trouble when criminals decide to kidnap a Kane child and hold them for ransom. They decide that Veronica is the perfect target after hearing the rumors that she is Jake Kane's daughter. But whether they share the same blood or not, Veronica will always be Keith's daughter. And they won't be separated without a fight. Set in Season 1.