When Hailey Upton gets transferred on a loan to the FBI by intelligence boss Hank Voight how will Jay cope? What will happen when Hailey returns? Could Jay lose his partner for real this time, or will it bloom into more?

hailey upton is left all alone with her daughter. she comes back to chicago and get the job in hank voights unit where she meets jay halstead. will she fall again or will she be too scared to go down that path just to be hurt?