This takes place during Lab Rats: Elite force. Mighty Med is in ruins, and Mr. Terror, Oliver's mom, has somehow escaped from Mighty Max, along with all the other villains imprisoned there. But Mr. Terror has lost all memory of their past battle and who she is. There are only two things she remembers from her past, two names: Mr. Terror and Oliver

With a heavy past, a university student, Matthew Casey, meets a firefighter, Kelly Severide, with a lot of baggage. An arson made the two people cross paths, but what makes them stay in each other's lives?