Hae Jo sets out to find his sperm donor, the biological father he never knew. He crashes Jo Jae-mi's wedding and drags her along.

Mr. Plankton Season 1 Episodes...

• s01e01 - Season 1, Episode 1
• s01e02 - Season 1, Episode 2
• s01e03 - Season 1, Episode 3
• s01e04 - Season 1, Episode 4
• s01e05 - Season 1, Episode 5
• s01e06 - Season 1, Episode 6
• s01e07 - Season 1, Episode 7
• s01e08 - Season 1, Episode 8
• s01e09 - Season 1, Episode 9
• s01e10 - Season 1, Episode 10

Mr. Plankton Show Summary

A man who should not have been born and the unhappiest woman in the world are forced to accompany one another on the final journey of his life.