An unexplainable phenomena finds college-going student, Li Shi Qing, trapped in a never-ending time loop where she is always stuck on a public service bus which is due to explode, bringing death & destruction to not only herself but to all on board.

Desperate to find a way to escape not only the time loop but her tragic fate, Shi Qing inadvertently drags fellow bus passenger Xiao He Yun into the time loop as well. Together they try to find a way to alter their fate by ensuring the bus arrives safely at its destination, but attempting to do so proves anything but easy.

Jiang Xiao Yuan finds herself struggling with her identity as she travels across parallel universes that never seem to intersect. In her original world, she is an invincible wealthy daughter, but in another place, she becomes an ordinary working girl who has absolutely nothing. Along the way, she meets the mysterious Qi Lian, and together, they search for the truth involving the mystery surrounding her. Stripped of wealth, family background, appearance, and education, Jiang Xiao Yuan sets herself on a journey to find pieces of her "real" identity.