本作改编自田中阳子和深泽将秀双人搭档所创作的绘本，以可爱的大头屁股侦探，与搭档小狗布朗一起，通过犯罪现场的一系列蛛丝马迹，推理追踪犯人的故事……

这是一部人气儿童向动画的剧场版第3弹，描述了外表看起来很臀部，但推理和举止却很绅士的名侦探“小屁股”的活跃模样。一年到头风吹的“苏霍莱岛”，收到…

Mystery of the Ladybug Ruins. Here comes the second piece of “Butt Detective" jumps to the big screen. This is an adventurous action film that tells the story of the Butt detective and his father Butt Dandy discover the mystery of the ancient ruins together! One day Butt Detective received a commission from his father's Butt Dandy, which is going to the Ladybug Ruins to investigate into a case. According to the rumors, the hidden treasure in the ruins, possibly could save the continuous drought in the dim dim village. Butt Dandy and a baby panda called Tan arrived to the site in advanced, however someone who wants to steal the treasure are already onto them. Moreover, the phantom thief U delivered a criminal notice at the same time. Butt Detective follows the footstep of Butt Dandy, while unraveling various mysteries in the ruins!

本作改编自田中阳子和深泽将秀双人搭档所创作的绘本，以可爱的大头屁股侦探，与搭档小狗布朗一起，通过犯罪现场的一系列蛛丝马迹，推理追踪犯人的故事……

乔楚汐重生了，重生在心脏被渣夫挖给恶毒小三之前。她发誓，要让这对狗男女付出代价。她未卜先知，步步为营，来一个打一个，来两个打一双。可复仇之路上，她惊奇的发现，事情的轨迹和她想得根本不一样。

女主隐瞒身份来到公司当练习生，没成想被她人冒领身份一路刁难......

乔楚汐重生了，重生在心脏被渣夫挖给恶毒小三之前。她发誓，要让这对狗男女付出代价。她未卜先知，步步为营，来一个打一个，来两个打一双。可复仇之路上，她惊奇的发现，事情的轨迹和她想得根本不一样。

江妍是无极仙医的弟子，自幼在山上长大。因师父与陆辞爷爷曾是仇家，她误将师父给的婚书当作“战书”，下山寻仇。途中意外救下遭遇危险的陆辞，却发现对方竟是婚约对象。两人在重重误会下意外闪婚，开启豪门的生活。