Noel struggles to accept his father's remarriage to Agnes and the arrival of his step-sister, Melody. The two grow up harboring a bitter hatred for each other. When their parents die, Noel becomes Melody's legal guardian, much to her dismay. Later, each now married, the two become business partners and eventually grow closer.

When a substance abuse counsellor gets arrested for a DUI and returns to her hometown of Niagara Falls, she learns that her estranged father is dying of cancer and wants her to form a bond with her teenage half-sister that she's never met.

Following the suicide of his father, haunted by inner demons and his hatred for the world, Santiago decides to escape from Lima and take refuge in Máncora, a beach to the north of Peru where it is always summer.

A wedding at her parents' Annapolis estate hurls high-strung Lynn into the center of touchy family dynamics.

A girl fed up with her quirky, dysfunctional family runs away from home, causing all of them to spend time with each other.

Zoey is a talented dancer whose organized life is rudely disrupted when she moves in with her new step-dad and three step-brothers, until she discovers a dog-training app that can get boys to obey her every command. But she soon learns that it isn't the cure-all she had hoped for.

A surprise engagement leads four soon-to-be step-siblings on a 1,400 mile road trip to set aside their differences and become a blended family.

In the early days of the Showa era in Matsuyama, Ehime Prefecture a newborn baby is abandoned with a doll under the eaves of a merchant house along the pilgrimage route in Shikoku. It seems to be a pilgrim struggling to make a living. This baby girl is named Haruko and brought by Tomita Shizuko and Katsuji as the younger sister of their son Ryosuke who is three years apart. When the war begins, 16-year old Ryosuke qualifies for the naval academy and crosses the Seto Inland Sea. After some consideration, Shizuko tells Haruko the truth that they are not real siblings for the first time. Haruko who has had a secret crush on her brother ever since he said that he would protect her, is innocently overjoyed and heads to Hiroshima to convey this to him. The next day, an atomic bomb explodes in the sky…

As Sun-kyeong's father fails his second marriage and rushes to migrate, Sun-kyeong writes a letter to her stepmother. While writing a letter, Sun-kyeong reminisce about her times at her brother's place in Seoul.

When two single parents remarry, their teenaged son and daughter begin developing an unexpected attraction to each other.

Two sisters have a petty argument.