< ="font-family:Arial;">< ="font-size:12px;color:#cc0000;">民国< ="font-family:arial;color:#333333;TEXT-ALIGN: left; WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px; DISPLAY: inline !important; WHITE-SPACE: normal; ORPHANS: 2; FLOAT: none; LETTER-SPACING: normal; FONT-SIZE: 13px; FONT-WEIGHT: normal; WORD-SPACING: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px">年间，上海大元银行遭遇四名匪徒抢劫，银行背后的老板燕大帅下令掘地三尺也要将钱追回。此时，在街头卖艺糊口的龙一金小螃蟹兄妹和神秘的女侦探艾琳遇到了奄奄一