By daytime, Barry Allen is a CSI Investigator and people describe as being very slow, deliberate, and frequently late. But by night he is the fastest man alive. But how do one man handle having a life and being Central City's savior? That's when Barry discovers he is far from the only speedster because one day his grandson from the future appears. Also in the multiverse, a different Flash lives and he also give Central City a visit. This veteran speedster soon become a mentor to the always crowing Flash family.
