Ellen’s life was monotonous and even boring: she divorced her husband a long time ago, there were no other contenders for her hand and heart. Her work was routine, not requiring imagination. And suddenly a ray flashed in her eventless life. What a ray there is - a flash, a lightning strike. It turned out that Ellen’s dad was not without sin and she has a half-brother. In order to get to know each other better, the new relative invited her on a sea cruise. If Ellen knew how it would all end, would she... Would she refuse the offer? Who knows, maybe, on the contrary, she would have accepted him with joy...