After being widowed, Blue lives with her stepson. To her teenage stepson, Blue, who is young and beautiful, is a stimulating sight, and Blue, who felt lonely, gradually developed feelings for her stepson. One day, they had a physical relationship, and since then, Blue has been feeling guilty about betraying her late husband and father. To clear their heads, they decided to go on a hot spring trip together. History repeats itself... The mother washes her son's cock, and the son becomes aroused by his mother's actions. In a hot spring resort, their twisted mother-son love intertwines in a forbidden love and incestuous tale.
