Lee Dae-yeon

Dr. Jung and his colleagues successfully travel into the future of the following day, only to discover the facility in ruins and everyone vanished.

A recently laid off factory worker kidnaps his former boss' daughter, hoping to use the ransom money to pay for his sister's kidney transplant. The first part of The Vengeance Trilogy.

Aiming for a comeback after an injury, former dancer Na Young-sae trains an inexperienced partner for the national dance championship in three months.

Gwang-Sik has never been good with talking to women, but his brother Gwang-Tae is the total ladies man. However, when they both meet girls that have the potentional to change their lives, their views on approaching women completely shifts.