在古色古香的越剧舞台上，《姐妹易嫁》这部作品，以其深邃的情感和丰富的戏剧性，展现了一个关于家族荣耀、爱情与自我牺牲的故事。讲述的是商人张有旺家中两个女儿素花和素梅之间错综复杂的人际关系。

素花原先与乡邻毛家的公子毛文简定下婚约，但当她了解到他衣食无着时，便心生变数，想要毁掉这段婚姻。然而，毛文简却为了探明未婚妻的心意，不顾身份地化装成一名落魄书生回到张家。在这个过程中，他见证了 sisters' transformation from naive girls to mature women, each with their own struggles and choices.

Meanwhile, the younger sister, Mei (), is deeply troubled by her sister's decision. She urges Zhang to reconsider his choice and marry someone who truly loves him. In the end, Mei decides to take matters into her own hands and marries off her sister instead. This act of selflessness is a testament to the strength of female bonds in traditional Chinese culture.

The play was first performed in 1989 by the Shanghai Luwan Yue Opera Troupe, starring Xiao Meiying (), Zhang Sujian (), and Zhu Jiujing (). With its powerful storytelling and memorable performances, Cousins Easy Marriage has become a beloved classic in the world of Yue opera.