After grandma passed away, A Nian and Zi Su held an engagement ceremony for Su Shui. Zi Su confessed her identity to A Nian and decided to go back to Linzhou to explain everything to her brother. With the consent of the tribe, A Nian took half a piece of Bixi to A Nian.Zi Su, because ordinary people cannot come back after leaving Su Shui, and Zi Su is now a part of Su Shui. Half a piece of Bixi can still preserve the memory within seven days after letting Zi Su pass through Su Shui.Zi Su promised to come back within seven days, and Xiao Man will come after seven days. Zi Su will come back to marry A Nian on Xiao Man's day.A Nian was looking forward to their reunion in seven days, but he didn't expect that the soldiers from Linzhou were waiting for him. Su Shui was massacred, and A Nian was hit by an arrow and fell into the water.