Drug addict Kait flees to a house in the woods to self-rehabilitate, where her sister Olivia joins to document the process, but the house's layout begins to change, trapping them inside an inescapable puzzle box of a house.
Zhang Yinchen and Zhang Yinxi are sisters who are 5 years apart. After Yinxi is attacked and goes missing overseas, Yinchen takes over Yinxi's all-female bodyguard company SHERO. Together with Yue Ruixiang, the CEO of ship-building company RSB, Yinchen investigates the truth behind Yinxi's disappearance. As they get closer to the truth, it seems like the mastermind is someone amongst them.
A U.S. Army Captain uses her years of tactical training to save humanity from sixteen nuclear missiles launched at the U.S. as a violent attack threatens her remote missile interceptor station.