三十年代的上海滩，黑帮横行、列强分割，要在这里闯出一片天，除了有实力，你还要比别人都要狠。于是，这里成了冒险家的乐园，成了机遇与成功的集散地。任鸿飞（张智霖 饰）和龙五（邵仲衡 饰）都是自幼父母双亡的孤儿，两个无依无靠的孩子成了结拜兄弟，互相帮忙着熬过了艰苦的成长岁月， 两人终于长大成人了。 两人虽然出身下层，但是都有共同的梦想，那就是在上海出人投地。于是，他们决定用自己的拳头闯出名堂。他们开始了刀头舔血的日子，在连番激斗后，两人终于一步步接近他们的目标……
结衣（泽尻绘里香 饰）曾经也拥有过美满的家庭，和丈夫阳一（藤木直人 饰）共同养育着可爱的儿子小广（道枝骏佑 饰），她觉得自己的生活就如同小时候看的那些童话故事书里一般的美满。直到有一天，结衣去幼儿园接小广放学回家，仅仅是走神的那一瞬间，小广失踪了。 这巨大的打击给这个家庭带来了毁灭性的后果，作为小广的看护人，结衣成为了众矢之的，在失去了儿子之后，阳一紧接着离开了她。一晃眼9碾过去，某日，小广以少年的模样再度出现在了结衣的面前，可这失而复得带给结衣的却并不只是欣喜。在这失踪的9年里，小广有7年都是和一位名叫麻子（小池荣子 饰）的女性一起度过的。
Big Mood is a vivacious and rebellious portrayal of female friendship when infiltrated by the complexities of a serious mental illness. The six-part series will explore the messy pitfalls and idiosyncrasies of navigating adulthood through wicked humour, daft anecdotes, and unsettling truths. Best friends Maggie and Eddie have lived in each other’s pockets for ten years, through thick, thin, and multiple challenging eyebrow trends. But with the rest of their lives looming, careers hanging in the balance, and Maggie’s bipolar disorder making an unwelcome return to form, Eddie begins to question whether this friendship is really in their best interests. It’s a pivotal point in both their lives, bringing to the surface those all-important questions – could sleeping with your former History teacher be the key to happiness? Is a basement Rat Hotel a functional alternative to pest control? How do you stop your new psychiatrist giving you worry dolls? With their twenties behind them, Maggie and Eddie’s relationship faces the future – can it survive?
