The present invention relates to a connector, in particular plug connector, for the releasable connection of two lines along a connector axis, having a line, a connection mechanism which has a sleeve and a drag element, and a holding element for holding a counterpart connector to be connected, wherein the sleeve is displaceable over the drag element, the holding element and over the line, wherein the drag element and the sleeve are each displaceable between a first position and a second position along the connector axis and the sleeve is designed to actuate the drag element, by means of an axial displacement of the sleeve, in order to connect the connector to, or release the connector from, a counterpart connector.